Vitamin B12 deficiency can be caused by poor diet or malabsorption, leading to fatigue, muscle weakness, and memory problems.

Vitamin B6 deficiency symptoms include mood changes, mouth sores, skin lesions, nerve damage, loss of muscle control, seizures, and more.

Medically reviewed by Aviv Joshua, MS, RDN Vitamin B6 (pyridoxine) is one of eight B vitamins. It's found in a wide variety of foods, so B6 deficiency is uncommon. A swollen tongue, irritability, and ...

Vitamin B12 is essential for producing energy and some research has shown that it can help with depression and prevent ...

If you are becoming tired even after spending an entire night sleeping or if you are having a problem with your concentration or minor mood swings that you cannot explain, perhaps your body is trying ...

IF YOU KNOW anyone who's deficient in a B vitamin, you may see them taking a vitamin B-complex supplement. They're being touted as a cure to all your vitamin B related needs—but do you really need it?

Vitamin B12 is an essential nutrient that must be obtained through diet or a supplement. Having too little B12 can cause fatigue, anemia, and neurological problems. Vitamin deficiencies may sometimes ...

Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Vitamin B12 is a vitamin, which is essential and plays a significant role in the formation of the red blood cells, support of the nerve system and total energy provision. Accompanied by its relevance, ...